cis·​lu·​nar | \ (ˌ)sis-ˈlü-nər How to pronounce cislunar (audio) \

Definition of cislunar

: lying between the earth and the moon or the moon's orbit cislunar space

Examples of cislunar in a Sentence

Recent Examples on the Web These guiding principles apply to international and commercial partnerships that will operate in the space between the Earth and the moon, known as cislunar space. Ashley Strickland, CNN, "NASA's new Artemis Accords govern how we cooperatively and safely explore the moon and Mars," 18 May 2020 What does seem clear is that China is steadily accumulating the pieces of an architecture that could see the country's influence extend into cislunar space, and down to the lunar surface, over the next decade. Eric Berger, Ars Technica, "China’s new spacecraft—which resembles a Crew Dragon—just landed," 8 May 2020 Private industry is thriving in the cislunar space industry, with large shares from both private satellite launchers like Virgin Orbit and academic and government research bodies. Caroline Delbert, Popular Mechanics, "Virgin's Rocket-Launching 747 Is Ready for Takeoff," 16 Apr. 2020 The space agency has spent the last decade building the Space-Launch System and Orion, a rocket and spacecraft intended to carry people into deep space but also to build a cislunar way station called the Deep-Space Gateway. Marina Koren, The Atlantic, "Trump's NASA Pivot," 7 Oct. 2017 Step two involves the international spaceflight community coming together to build cyclers that ply cislunar space, taking people on trips to the moon and back. Mike Wall, NBC News, "Buzz Aldrin Wants NASA to Retire the Space Station. Here’s Why," 11 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cislunar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cislunar

circa 1877, in the meaning defined above

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Time Traveler for cislunar

Time Traveler

The first known use of cislunar was circa 1877

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Last Updated

29 May 2020

Cite this Entry

“Cislunar.” Dictionary, Merriam-Webster, Accessed 7 Jul. 2020.

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